PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • The CFTC therefore supervises the markets for gold and silver futures and options contracts that are traded on US exchanges such as the Chicago Mercantile Exchange (COMEX) and the New York Stock Exchange (NYSE).
http://www.w3.org/ns/prov#wasQuotedFrom
  • therealasset.co.uk